Dihydro-
二氢
🗣️ 情景例句
You'll be glad to hear that Bill is alive and kicking.
比尔现在精神饱满，你听了一定很高兴。
Who is going take your place?
谁代替你的位置？
I've travelled many miles and I'm very glad I made the effort.
我远道而来，但是我很高兴没有白跑。